baber/WOPTO huggingface dataset:
Patent GB-566809-A (GB)
Title: Improvements in or relating to visible card indexes
IPC: B42F17/32
Filed: 1943-08-17
Abstract: 566,809. Card indexes ; index tabs. ABBEY, A. (R³egg-Naegeli & Cie., Akt.-Ges.). Aug. 17, 1943, No. 13387. [Classes 16 and 146 (i)] Index cards are each in the form of a folded double card having the fold at the upper edge F, Figs. 6 and 7, and having a transverse folding-ridge 22 in the front section 19, the part 21 between the two folds constituting an index strip. The ridge 22 serves to space successive cards, and the double fold facilitates typing on the cards near the upper edge. The back sections 20 of the cards may have ribs cooperating with the ridges 22 to increase the spacing. The back sections may be shorter than the front sections, so that when pressure is applied to the upper edges of the cards by means of a, bar 25, Fig. 1, the index strips are tilted down and become plainly visible. Wedgeshaped markers 24, Fig. 5, can be passed through slots 23 in the fold of the card and bent down on to the face of the index strip 21. The cards are suspended from the side-walls of a drawer by means of extensions 16 at their ends. The cards are enclosed in sheaths 17, Fig. 1, which are inserted in card-cases 14 suspended from the side-walls of a drawer 3 sliding in a cabinet 1. The drawer is in two parts, the upper section 3 sliding within the lower section 2, which has no end-walls. The lower section is drawn forwards by the upper section, after the latter has been withdrawn a certain distance. The lower section serves as a sorting-drawer, and cards placed in it rest in an inclined position with their lateral extensions supported by the side-walls, so that the index strips can be read.
Patent GB-1462673-A (GB)
Title: Apparatus for cutting concrete or stone
IPC: B25H1/00
Filed: 1974-03-27
Abstract: 1462673 Concrete and stone cutting apparatus; stands and frames H BIERI 27 March 1974 13500/74 Headings B3C and B3B An apparatus for cutting concrete or stone, e.g. boring or sawing, comprises three spaced apart detachably connected operational units, Figs. 1, 2 and 3, namely, (a) a working unit, Fig. 3, to which the cutting tool is connected and which includes a drive motor 22 for the tool 21, a feed/advance device, ram 26, for the tool, a suction device 17 having a resiliently deformable sealing element 33 for engaging the workpiece whereby to attach the unit to the workpiece by suction and supporting means feet 18 to limit the deformation of the element 33; the working unit may be as described in Specification 1,415,118; (b) a suction producing and operation controlling unit, Fig. 2, connected by a plurality of flexible and disconnectable power lines 9, 10, 14 and 15 and by a suction line 16 with the working unit and which includes suction producing means such as a suction pump, not shown, and control means, not shown, for controlling the power supplied to the motor 22 and device 26, and (c) a driving unit, Fig. 1, including a motor, not shown, and at least one fluid pressure pump driven thereby and pressurized fluid lines 9, 10 and possibly at least one electric cable 13 for connecting the driving unit to the suction-producing and operation controlling unit to supply power thereto. The driving unit itself may be supplied with electricity by line 5 to drive its motor and with cooling water by line 6. The tool may be an auger, circular saw or compass saw.
Patent GB-850579-A (GB)
Title: Stabilising vinylidene fluoride copolymers
IPC: C08K3/16
Filed: 1959-04-21
Abstract: A copolymer of vinylidene fluoride with either chlorotrifluoroethylene or hexafluoropropylene is stabilized, particularly against the evolution of HF at above 200 DEG C., by dispersing throughout the copolymer 0,1-33,3 (preferably 5-15, or e.g. 2) wt. per cent thereof, of sodium fluoride.  It is stated that incorporation of the sodium fluoride improves the processability of the copolymers.
Patent GB-805877-A (GB)
Title: Process for the production of 2, 3, 5, 6-tetrahydro-1-imidaz (1, 2-a) imidazole
IPC: C07D487/04
Filed: 1957-04-29
Abstract: 2,3,5,6 - tetrahydro - 1 - imidaz - (1,2-a) - imidazole is produced by a process comprising treating 1 - (b  - aminoethyl) - 2 - imidazolidinethione in a solvent medium with a desulphurization agent selected from silver nitrate, silver oxide, mercuric oxide and chloroacetic acid.  The preferred solvent medium is water but other solvents, e.g. benzene may be used.  When chloroacetic acid is used as desulphurization agent the reaction may be represented by the following equation: <FORM:0805877/IV (b)/1> In the examples: (a) 1-(b -aminoethyl)-2-imidazolidinethione in water is heated with chloroacetic acid; (b) 1-(b -aminoethyl)-2-imidazolidinethione is treated with mercuric oxide in the presence of water; (c) silver nitrate in aqueous ethanol is added to 1-(b -aminoethyl)-2-imidazolidinethione in hot ethanol; and (d) 1-(b  - aminoethyl) - 2 - imidazolidinethione is refluxed with chloroacetic acid and water.  In each case 2,3,5,6-tetrahydro-1-imidaz-(1,2a)-imidazole is obtained.
Patent GB-109838-A (GB)
Title: Improvements in Drying, Mixing and Grinding Apparatus.
Inventor: CALVERT GEORGE
IPC: B01F29/60
Filed: 1916-09-26
Abstract: 109,838. Calvert, G. Sept. 26, 1916 Rotary batch-mixers. - Relates to apparatus for drying, mixing, and grinding colours, chemicals, &c., and of the kind comprising a vessel rotating in bearings in the walls of a heated oven and containing loose grinding-balls. The vessel is formed independently of its trunnions and detachably clamped thereto, one end of the vessel having a hole coinciding with the hollow trunnion, which is fitted with means for clearing it of deposit. As shown, the stoneware vessel a is clamped by bolts u between end plates s, t on the trunnions b, c, which are carried in bearings on the walls of the oven f. The trunnion b, which is fitted with a stoneware liner v, receives a connexion k, for a vacuum pump, a lateral branch l being provided so as to leave the trunnion free inside to be cleared bv a wire brush or other tool w retained in an extension z, fitted with a gland y for the brush handle x.
Patent GB-947814-A (GB)
Title: Electric arc welding plant
IPC: B23K9/10
Filed: 1961-04-15
Abstract: 947,814. Automatic control systems for arc welding. F. HIRSCHMANN. April 13, 1962 [April 15, 1961], No. 13656/61. Heading G3R. Welding apparatus is provided with means for adjusting the voltage/current characteristic of the supply to a welding arc. As shown, a rectifier 4 is connected to the mains supply 1 over a switch 2, a transformer 3 and a transductor 5, and supplies the current to produce a welding arc between an earth 6 and a consumable electrode 7. A potentiometer 11 is connected to the mains 1 over a transformer 8, a transductor 10 and a rectifier 9, and the voltage across the potentiometer is applied, in series opposition with the output voltage of the rectifier 4, to the control winding 22 of a further transductor 20, which is connected to the mains over a transformer 26. The output from transductor 20 is applied over a rectifier 24 to the control winding 19 of transductor 5, the arrangement being such that if the voltage set on potentiometer 11 is above the output voltage of the rectifier 4, then the output from transductor 20 and current through control winding 19 are increased till the balance between the voltages is restored. Biasing windings 18, 13 and 21 for the transductors 5, 10 and 20 are supplied from the mains over a transformer 7 and rectifier 28. Transductor 10 has further control windings 14, 15, 16 which can be energized in dependence upon the load current and which can influence the voltage across potentiometer 11, thereby determining the voltage/current characteristic. The secondaries of load current transformers 31, 32, 33 are connected respectively over rectifiers 34, 35, 36 and potentiometers 37, 38, 39 to the windings 14, 15, 16, the connection to winding 14 including a Zener diode 41 and the connection to winding 15 including a capacitor 40. In operation, the output voltage of the rectifier 4 is maintained constant from low load to full load by the setting of potentiometer 11, subject to the effect of the control windings 14, 15, or 16, which effect can be zero. Potentiometer 39 can be set so that the effect of control winding 16 produces a linear falling load characteristic. Control winding 14 will be inoperative as long as the voltage taken from potentiometer 37 does not exceed the breakdown voltage of Zener diode 41; at this point, further increase in load current will cause current to flow in winding 14 whereby the output voltage from rectifier 4 will be reduced. Control winding 16 comes into operation if the arc is shortcircuited, e.g. by molten metal; the sudden increase in current will cause capacitor 40 to charge and a current flows in winding 16 again reducing the output voltage from rectifier 4.
Patent GB-611761-A (GB)
Title: Improvements in or relating to hydraulic reversing gears
IPC: F16H41/26
Filed: 1946-05-07
Abstract: 611,761. Hydraulic reversing gear. PEREGRINE, E. P., and PARSONS & MARINE ENGINEERING TURBINE RESEARCH & DEVELOPMENT ASSOCIATION.. May 7, 1946, No. 13774. [Class 69 (ii)] A hydraulic reversing gear comprises a fixed toroidal casing G, B having a ring member D fixed thereto, forming a toroidal channel. Impeller vanes F carried by a casing 2 mounted on a driving shaft 3, projects into the channel and a duct 4 connects the channel to an inlet 5. Pump diffuser vanes 9 receive liquid from the vanes F, the liquid then passing round the toroidal channel in planes containing the axis of the shaft to turbine nozzle blades 10 on the casing B thence to rotor blades 6 mounted on a driven shaft 8 around the driving shaft 3, and back to the impeller blades F. The blades F, 6 are of twisted aerofoil section. Ducts are provided in the casing to discharge liquid for temperature control.
Patent GB-254856-A (GB)
Title: Improvements in or relating to hack saw frames
IPC: B23D51/12
Filed: 1925-05-27
Abstract: 254,856. Watts, J. R. May 27, 1925. Saws.-In a hack-saw frame or like blade holder the saw is carried between a fixed pin 8 on the front portion of the frame and a movable pin 12 carried on an arm 10 which is pivoted at 11 to a forwardly-extending rear portion 9. In order to tension the blade the arm 10 is moved to the position shown in Fig. 3, the pin 12 then lying just beyond the line joining the pivots 8, 11 and the arm 10 engaging by a hook 13 with the frame. The frame is preferably cranked at 14 to bring the blade into the central plane of the frame. The invention is applicable to hack-saw frames adapted to be fitted in a machine.
Patent GB-198890-A (GB)
Title: Improvements relating to direction or course indicators for mechanically propelled vehicles
IPC: B60Q1/34
Filed: 1922-05-16
Abstract: 198,890. Lebeda, A. J., and Mulligan, A. de W. May 16,1922. Road-traffic signals on vehicles; ship's course signals. - A direction or course indicator for vehicles, ships, aircraft, &c. comprises, a disc c mounted within a casing a provided with apertures a<2>. a'. The disc c has coloured segments c<1>, c' and is rotated through gearing &c. to display one or other of the coloured segments and thereby signal the driver's intention to turn. Coloured lamps e, e<1> are mounted behind the disc and are so arranged that, when a coloured segment is visible, the lamp behind this segment is illumina,ted and a correspondingly coloured beam of light passes through an aperture in the coloured portions of the disc. One or other of the lamps e, e' is illuminated, according to the position of the disc, by a contact f mounted on the disc, which contact bridges either of the contacts e<4> e<5> in the lamp circuits. To prevent the ingress of dirt and to wipe the surface of the disc, a washer d is provided. An interrupter is placed in circuit with the lamps to produce an intermittent beam of light when the circuit is closed. In a modification adapted to provide for a " stopping " signal, a disc with four differently-coloured quadrants rotates within a casing provided with a single aperture. For use on aircraft, the disc has five coloured portions. In this case two indicators are fitted, one at the front and the other at the rear. In a further modification, the disc may be formed of coloured transparent material or be provided with panels of coloured transparent material, and a single uncolouned lamp may be employed.
Patent GB-405501-A (GB)
Title: Improvements in metal vapour discharge apparatus
IPC: H02M7/06
Filed: 1933-05-12
Abstract: 405,501. Rectifying alternating current. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET, Vasteras; Sweden. May 12, 1933, No. 13868. Convention date, May 12, 1932. [Class 38 (ii).] Relates to mercury arc rectifiers in which inductances in the exciter anode circuits are magnetically interlinked for example by arranging on a common core inductances 15, 16, Fig. 4, inserted between the secondary windings 8, 9, of the exciter anode transformer and the exciter anodes 6, 7, and consists in magnetically interlinking the exciter anode circuits by adding a leakage flux path 18, Fig. 5, to the exciter anode transformer. The secondary windings 8, 9 are arranged on the same limb to avoid leakage between them. An additional winding may be provided on the same limb as the primary winding 20 for feeding the ignition anode.
Patent GB-360421-A (GB)
Title: Improvements in gun carriages
IPC: F41A23/36
Filed: 1930-05-06
Abstract: 360,421. Gun carriages. PAVESI, U., 18, Via Oglio, Milan, Italy. May 6, 1930, No. 13897. [Class 92 (i).] A vehicular mounting particularly for antiaircraft-guns comprises in combination a frame A, wheels B, C yieldably and movably mounted on the frame, reduction gearing such as r, z for moving the wheels outwardly of the frame to lower the frame into a firing position on the ground, and anchoring members such as a, e permanently carried by the frame to check the recoil. In the carriage shown in Fig. 1, the axle D of the front steering wheels B is mounted on a bracket F movable about a pivot G on the frame by the engagement of a worm r with a sector s. The rear wheels C are carried on a U-shaped axle E and after disconnection from the springs M can be swung into the position C<1> by operating the worm gear z. The arms e carrying anchoring sprags can be lowered into engagement with the ground together with a gunner's platform m. The raising and lowering of the frame may be assisted by screw jacks c, d which also permit of levelling. Fig. 5 shows a modification in which the axle of the rear wheels is rearwardly movable in arcuate guides by a wormoperated pinion engaging a fixed rack R which during transport can rock on a pivot N against the action of the bearing- spring M.
Patent GB-869891-A (GB)
Title: Improvements in and relating to apparatus for feeding continuous stationery
Inventor: GOREHAM PETER ERNEST
IPC: B41L5/06
Filed: 1958-05-01
Abstract: 869,891. Typewriters &c. LAMSON PARAGON Ltd. May 1, 1959 [May 1, 1958], No. 13922/58. Class 100(4) [Also in Group XXIV] Continuous stationery is fed through a tabulator, typewriter, addressing or similar machines by a motor caused to be running before the feed is required and then clutched to the feed means to give a predetermined length of feed. As described the stationery is fed by tractors at the infeed and outfeed side of the platen and the clutch is controlled to give single or multiple line spacing. A feed signal I causes a rotary solenoid RS to actuate the clutch momentarily to effect a single line spacing. At the same time a relay R operates to close contacts f, g but with the rotor S 1 of a selector switch S in the position shown no positive is on any of the contacts a<SP>2</SP>-d<SP>2</SP> and the contacts f, g immediately open. If the selector rotor S <SP>1</SP> is set to any of the positions II, III, IV, VI, which setting must be effected while the discs a-d are in the position shown a positive will be on one of the contacts a<SP>2</SP>-d<SP>2</SP> providing a holding circuit to the relay R to keep the contacts f, g closed. The solenoid RS will continue to operate the stationery feed and the discs a-d will rotate in synchronism therewith until a notch of the selected disc allows its contact arm to break the appropriate contact a<SP>2</SP>-d<SP>2</SP> and thus the holding circuit of the relay R which then opens the contacts f, g and the feed is stopped after the predetermined movement selected by the selector switch S. Long feeds may be effected by de-clutching the solenoid controlled feed and clutching the motor direct to the feed tractors.
Patent GB-1345763-A (GB)
Title: Process for the production of micorporous sheet structures by  coagulating solutions
IPC: C08J9/28
Filed: 1971-05-10
Abstract: 1345763 Microporous polyurethane BAYER AG 10 May 1971 [26 May 1970] 13933/71 Heading C3R  Microporous polyurethane sheet structures are prepared by exposing a thin layer of a solution of a polyurethane in a solvent for 0À1 to 60 minutes to an atmosphere of water vapour having a relative humidity of at least 50% at a temperature of 65 to 100‹ C., removing most of the solvent in water or an aqueous coagulation bath and drying the product. The polyurethane solution may be mixed with an aqueous cationic polyurethane dispersion. Suitably the polyurethane is coagulated with water or waterdimethyl formamide mixtures and may be washed finally with an aliphatic alcohol. The polyurethanes are prepared by conventional methods and optionally contain urea groups. The cationic polyurethanes suitably contain quaternary nitrogen atoms. Suitably the polyurethane solutions are coated on to porous or non-porous substrates and are processed by batch or continuous processes.
Patent GB-1434167-A (GB)
Title: Pesticidal carbamate compounds
IPC: C07D327/06
Filed: 1974-03-29
Abstract: 1434167 Silyloximine oxathiolanes UNION CARBIDE CORP 29 March 1974 [3 April 1973] 13946/74 Heading C3S [Also in Division C2] 4 - (Trimethylsilyloximino) - 2 - propyl - 5- methyl - 1,3 - oxathiolane and 4 - (trimethylsilyloximino) - 5 - methoxymethyl - 1,3 - oxathiolane are obtained by reaction of the corresponding oxime with trimethylchlorosilane in pyridine. (Examples IV and V).
Patent GB-167618-A (GB)
Title: Improvements in or relating to vehicle tyres
IPC: B60C7/14
Filed: 1920-05-21
Abstract: 167,618. Robinson, W. H., and Hall, S. E. May 21, 1920. Metallic-spring bodies and cores.-Springs retained between side plates are interposed between the solid rubber tread and the wheel rim. Flanges on the springs and projections on the side plates are embedded in circumferential interrupted grooves in the solid tread to prevent creeping. The rubber tread 10 rests on circumferential springs 19 between which and the rim 16 are interposed springs 20, lugs 27 on which fit into recesses in the rim. Flanges 22, 23 on the cir. cumferential springs 19 are embedded in interrupted grooves 28, 29 in the tread 10. Side plates 30, 31 secured together by bolts 34, retain the springs and tread in place and have flanges 35 entering the interrupted grooves 28, 29 to prevent creeping. The flanges 35 are bevelled on the underside to allow for expansion of the rubber when the tread 10 is compressed.
Patent GB-354713-A (GB)
Title: Improvements in or relating to machines for operating on soles
IPC: A43D8/34
Filed: 1930-05-07
Abstract: 354,713. Skiving boot soles. BRITISH UNITED SHOE MACHINERY CO., Ltd. and CHOICE, F. C., Union Works, Belgrave Road, Leicester. May 7, 1930, No. 14003. [Class 31 (i).] Stationary cutter machines.-A feather edge and waist-reducing machine to skive a light bevel at the forepart and a heavy bevel at the waist of a sole, comprises a feed-wheel and a knife 1 mounted on an arcuate slide actuated by a rack and eccentric. A pin 26 on a lever 105 is held by a pawl 111 engaging a rack 109 on a member 107 slidable on a member 28. Attached to the member 28 is a bracket 113 to which is attached a rod 117 passing through a sleeve 119 carrying a lever 129 attached to the arm 105. As the concave part EF of the blank passes between the feed rolls the pin 26 is displaced and swings the arm 105, and through link 129 the sleeve 119 is pushed along the rod 117 and the pawl 111 moves over the ratchet teeth. When the convex part FG is reached the pressure of the sole on the pin 26 stops and the parts 28, 107, 113, 105 swing clockwise by gravity. A link 149 is pulled to actuate levers 151, 23 controlling a half revolution clutch. The pin 26 is then lowered by a lever 43 as described in Specification 329,339, [Class 31 (i), Cutting and severing machines &c.], and the pawl 111 is disengaged by a shoulder 163 to allow a spring 143 to restore the parts. The pin 27 is carried on a lever 171 pivoted in a slot 175 on the bracket 113 and suspended by a lever 169 to a lever 167 pivoted on a pin 165 and connected to a rod 179 pivoted to an eccentric. When the pin 26 actuates the eccentric the rod 179 is raised and the pin 27 falls. A guard 52 falls on to the face of the sole and cam surfaces 189, 191 prevent the positioning of the pin 27 until the sole has travelled far enough to allow the guard to drop off the work. Movement of the guard 52 and carrying bracket is prevented by stops. A feather-edging or movable knifechannelling machine may be constructed without the pins 26, 27 but with clutch eccentric rack, knife, and treadle. To form the same channel around the sole but further in at the waist a fixed knife is used with pins operating an edge gauge through the clutch. Specification 325,891, [Class 31 (i), Cutting and severing machines &c.], also is referred to.
Patent GB-718926-A (GB)
Title: Improvements in the drafting apparatus of textile spinning machines
Inventor: WATSON WILLIAM HAROLD
IPC: D01H5/26
Filed: 1952-06-03
Abstract: 718,926. Textile drafting apparatus. T.M.M. (RESEARCH), Ltd. June 1, 1953 [June 3 1952; June 3, 1952], Nos, 14018/52 and 14019 /52. Class 120(2) A double-apron drafting head in which the driving roller and front guide of one apron are relatively adjustable to vary the effective length of the apron has the corresponding members of the other apron adjustable along the line of fibre movement so that the rearmost rollers or guide members of both aprons are maintained in fibre-gripping relationship. It is convenient to vary the effective length of the lower apron by adjusting the position of a bearing block 34 supporting the driving roller 20 over which the apron 17 passes to a guide member 21 and tension roller 22. Adjustments of the block 34 are accompanied by corresponding adjustments of a bearing block 24 in which the upper apron roller 18 is mounted. The guide member 19 for the. upper apron 16 may be carried by a bridge member common to a pair of adjacent aprons and integral with an arm 193 attached to a sleeve 194 carried on the arbor 181 of the roller 18. The rearwardly extending arm 193 terminates in a knifeedge 195 which rests slidably on a ramp 39 carried by a bar 38 that may be adjusted to vary the height of the knife-edge 195 and consequently of the guide member 19. In a modification, the guide member 19 may be replaced by a presser foot arranged for vertical adjustment in the block 24. The guide member 21 for the lower apron may be replaced by an adjustable member 211, Figs. 8 and 9, with which the fibrerelease point of the aprons may be varied. 'The upper rollers 12, 18, 14, Fig. 1, are carried in bearing blocks 23, 24, 25 in a support arm 26 held in operative position by a latch 31, in which position the rollers are loaded by springs 35 adjusted by screws 36. An auxiliary pressure roller 40 may be provided to co-operate with the lower apron at or near to its delivery point.